Hawaii Vehicle Registration Fee Calculator

Hawaii combines a state fee, a state weight tax and a county weight tax that differs sharply between islands.

Verified September 20, 2026 · against the official fee schedule

Source: Hawaii Revised Statutes — 249-31, 249-33 and 249-36. County rates from each county’s own code, including the City and County of Honolulu.
“shall be subject to a $46 annual vehicle registration fee ... at the rate of 1.75 cents a pound ... up to and including four thousand pounds net weight; vehicles over four thousand pounds and up to and including seven thousand pounds ... 2.00 cents a pound”
Last verified: September 20, 2026.

County Net weight (lbs)

Electric vehicle

Hybrid (Maui only surcharge)

County weight tax rates

County	Passenger rate	Minimum
Honolulu (Oahu)	7.0 cents per pound	—
Maui	3.5 cents per pound	$15
Kauai	2.0 cents per pound	$12
Hawaii County	1.25 cents per pound	$12

Each county council sets its own rate under HRS 249-13, which is why the same car costs several times more to register on Oahu than on the Big Island. Net weight means the manufacturer shipping weight plus 100 pounds for passenger vehicles.

State weight tax steps

Net weight	State rate
Up to 4,000 lbs	1.75 cents per pound
4,001 to 7,000 lbs	2.00 cents per pound
7,001 to 10,000 lbs	2.25 cents per pound
Over 10,000 lbs	Flat $300

Since July 1, 2025 electric vehicles pay a mileage-based road usage charge of 0.8 cents per mile, capped at $50 a year and measured from safety inspection odometer readings. Through June 30, 2028 owners may elect a flat $50 instead, which is what this page assumes.

Estimates only. Your county finance department issues the final bill. This page does not collect or store anything you enter.